I had the Home Depot install a granite countertop. About 14 months after installation, a hairline crack appeared on the countertop in front of the sink. I called the store and they sent someone to look into it. We were told that we must have cracked the countertop and that it was no longer under warranty. They refused to take responsibility and said that it would cost $1000 to repair. It has now been almost 3 years since installation. the hairline crack has now "spidered" and is 17 inches long and the granite is sinking. The crack... read full review »